John Mason Peck

Historical marker location:

4947 West Florissant Avenue, Saint Louis, Missouri

( Marker can be reached from North Broadway, 0.3 miles south of Calvary Avenue, on the right when traveling south.)

Oct. 31, 1789 - Mar. 16, 1858

The Missouri River is the longest river in North America, stretching for 2,341 miles from its source in Montana to its mouth in the Gulf of Mexico.